Home / 39,350.14-54,303-21,445.90

Finding the Fourth Proportional to 39,350.14, 54,303 and 21,445.90

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Solution

The fourth proportional to 39,350.14, 54,303 and 21,445.90 is: 29,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.14 : 54,303 = 21,445.90 : x
  2. Step 2: Convert to fraction form
    39,350.14/54,303 = 21,445.90/x
  3. Step 3: Cross multiply
    39,350.14x = 54,303 × 21,445.90
  4. Step 4: Simplify right side
    39,350.14x = 1,164,576,707.70
  5. Step 5: Solve for x
    x = 1,164,576,707.70/39,350.14
  6. Step 6: Final answer
    x = 29,595.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.